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MARKETABLE SECURITIES | 12 Months Ended
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Dec. 31, 2014
MARKETABLE SECURITIES | NOTE 3:- MARKETABLE SECURITIES Marketable securities with contractual maturities of up to one year are as follows:
|  | December 31, |
|  | 2014 |  |  | 2013 |
|  | Amortized cost |  |  | Gross unrealized gains |  |  | Gross unrealized losses |  |  | Fair value |  |  | Amortized cost |  |  | Gross unrealized gains |  |  | Gross unrealized losses |  |  | Fair value |
Government and corporate debentures - fixed interest rate |  | $ | 882,051 |  |  | $ | 3,433 |  |  | $ | (141 | ) |  | $ | 885,343 |  |  | $ | 593,218 |  |  | $ | 2,987 |  |  | $ | (16 | ) |  | $ | 596,189 |
Government-sponsored enterprises debentures |  |  | 154,619 |  |  |  | 183 |  |  |  | (5 | ) |  |  | 154,797 |  |  |  | 93,900 |  |  |  | 400 |  |  |  | — |  |  |  | 94,300 |
Government and corporate debentures - floating interest rate |  |  | 3,001 |  |  |  | 8 |  |  |  | — |  |  |  | 3,009 |  |  |  | 67,794 |  |  |  | 99 |  |  |  | — |  |  |  | 67,893 |
|  | $ | 1,039,671 |  |  | $ | 3,624 |  |  | $ | (146 | ) |  | $ | 1,043,149 |  |  | $ | 754,912 |  |  | $ | 3,486 |  |  | $ | (16 | ) |  | $ | 758,382 |
Marketable securities with contractual maturities of over one year through five years are as follows:
|  | December 31, |
|  | 2014 |  |  | 2013 |
|  | Amortized cost |  |  | Gross unrealized gains |  |  | Gross unrealized losses |  |  | Fair value |  |  | Amortized cost |  |  | Gross unrealized gains |  |  | Gross unrealized losses |  |  | Fair value |
Government and corporate debentures - fixed interest rate |  | $ | 1,916,756 |  |  | $ | 2,905 |  |  | $ | (4,519 | ) |  | $ | 1,915,142 |  |  | $ | 1,969,514 |  |  | $ | 6,554 |  |  | $ | (7,158 | ) |  | $ | 1,968,910 |
Government-sponsored enterprises |  |  | 390,468 |  |  |  | 256 |  |  |  | (990 | ) |  |  | 389,734 |  |  |  | 441,719 |  |  |  | 707 |  |  |  | (1,311 | ) |  |  | 441,115 |
Government and corporate debentures - floating interest rate |  |  | 65,512 |  |  |  | 102 |  |  |  | (19 | ) |  |  | 65,595 |  |  |  | 52,969 |  |  |  | 163 |  |  |  | (47 | ) |  |  | 53,085 |
|  | $ | 2,372,736 |  |  | $ | 3,263 |  |  | $ | (5,528 | ) |  | $ | 2,370,471 |  |  | $ | 2,464,202 |  |  | $ | 7,424 |  |  | $ | (8,516 | ) |  | $ | 2,463,110 |
Investments with continuous unrealized losses for less than 12 months and 12 months or greater and their related fair values were as follows:
|  | December 31, 2014 |
|  | Investments with continuous unrealized losses for less than 12 months |  |  | Investments with continuous unrealized losses for 12 months or greater |  |  | Total Investments with continuous unrealized losses |
|  | Fair value |  |  | Unrealized losses |  |  | Fair value |  |  | Unrealized losses |  |  | Fair value |  |  | Unrealized losses |
Government and corporate debentures - fixed interest rate |  | $ | 1,199,879 |  |  | $ | (2,994 | ) |  | $ | 257,258 |  |  | $ | (1,666 | ) |  | $ | 1,457,137 |  |  | $ | (4,660 | )
Government-sponsored enterprises |  |  | 177,953 |  |  |  | (487 | ) |  |  | 89,350 |  |  |  | (508 | ) |  |  | 267,303 |  |  |  | (995 | )
Government and corporate debentures - floating interest rate |  |  | 17,102 |  |  |  | (14 | ) |  |  | 5,003 |  |  |  | (5 | ) |  |  | 22,105 |  |  |  | (19 | )
|  | $ | 1,394,934 |  |  | $ | (3,495 | ) |  | $ | 351,611 |  |  | $ | (2,179 | ) |  | $ | 1,746,545 |  |  | $ | (5,674 | )
|  | December 31, 2013 |
|  | Investments with continuous unrealized losses for less than 12 months |  |  | Investments with continuous unrealized losses for 12 months or greater |  |  | Total Investments with continuous unrealized losses |
|  | Fair value |  |  | Unrealized losses |  |  | Fair value |  |  | Unrealized losses |  |  | Fair value |  |  | Unrealized losses |
Government and corporate debentures - fixed interest rate |  | $ | 944,769 |  |  | $ | (5,762 | ) |  | $ | 97,770 |  |  | $ | (1,410 | ) |  | $ | 1,042,539 |  |  | $ | (7,172 | )
Government-sponsored enterprises |  |  | 214,719 |  |  |  | (1,104 | ) |  |  | 19,811 |  |  |  | (208 | ) |  |  | 234,530 |  |  |  | (1,312 | )
Government and corporate debentures - floating interest rate |  |  | 19,511 |  |  |  | (48 | ) |  |  | 1,000 |  |  |  | — |  |  |  | 20,511 |  |  |  | (48 | )
|  | $ | 1,178,999 |  |  | $ | (6,914 | ) |  | $ | 118,581 |  |  | $ | (1,618 | ) |  | $ | 1,297,580 |  |  | $ | (8,532 | )

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- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26626-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2,12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
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